We call it 'amusement', without always catching the ancient quality of the root: Muse.
Foremost, today, amongst those fine ladies is Music itself: here, depicted via a modern day minstrel, whose guitar is emblazoned with wispy hair-drawn words: Happy, Music...........indeed. PS: Green, and peace go nicely together, as well, don't they?!
Peace, in (his two outstretched fingers on the neck of his instrument, for good measure)!